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ICIP
2002
IEEE
16 years 8 months ago
Progressive image transmission over a noisy channel using wavelet transform and channel optimized vector quantization
This paper studies a progressive image transmission technique over waveform channels. The Channel Optimized Vector Quantization codec (COVQ) [1] is applied to the image wavelet co...
Inmaculada García, José L. Pé...
ICC
2007
IEEE
16 years 1 months ago
UWB Geo-Regioning Using Multivariate Channel Statistics
Abstract— Ultra-Wideband (UWB) Geo-Regioning is an approach to localize UWB transmitters by means of their channel impulse responses. A received channel impulse response is assig...
Christoph Steiner, Armin Wittneben
ISM
2006
IEEE
150views Multimedia» more  ISM 2006»
16 years 24 days ago
Blind Detection for Additive Embedding Using Underdetermined ICA
This paper presents an efficient blind watermark detection scheme for additive embedding (AE) based on underdetermined independent component analysis (ICA) framework. The propose...
Hafiz Malik, Ashfaq A. Khokhar, Rashid Ansari, Mar...
GFKL
2005
Springer
95views Data Mining» more  GFKL 2005»
16 years 9 days ago
An Indicator for the Number of Clusters: Using a Linear Map to Simplex Structure
Abstract. The problem of clustering data can be formulated as a graph partitioning problem. In this setting, spectral methods for obtaining optimal solutions have received a lot of...
Marcus Weber, Wasinee Rungsarityotin, Alexander Sc...
PERVASIVE
2004
Springer
16 years 4 days ago
Recognizing Workshop Activity Using Body Worn Microphones and Accelerometers
Most gesture recognition systems analyze gestures intended for communication (e.g. sign language) or for command (e.g. navigation in a virtual world). We attempt instead to recogn...
Paul Lukowicz, Jamie A. Ward, Holger Junker, Mathi...